Molekula
Tetraethylammonium hydroxide,20% aq. soln.
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tetraethylammonium hydroxide, 20% aq. soln. is a strong organic base used in organic synthesis, catalysis, and as a reagent in the production of specialty chemicals. It is also used as a laboratory chemical, an ion exchange agent, a chain transfer agent and an industrial processing aid. It is a clear, colorless to pale yellow liquid with a characteristic ammoniacal odor. CAS: 77-98-5, Molecular formula: (C2H5)4N(OH), Molecular weight: 147.26 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Tetraethylammonium hydroxide, 20% aq. soln. from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90035056 |
| CAS Number | 77-98-5 |
| IUPAC Name | tetraethylazanium hydroxide |
| EC Number | 201-073-3 |
| Molecular Formula | (C2H5)4N(OH) |
| Molecular Weight | 147.26 |
| Exact Mass | 147.1623 |
| SMILES | CC[N+](CC)(CC)CC.[OH-] |
| InChIKey | LRGJRHZIDJQFCL-UHFFFAOYSA-M |
| InChI | InChI=1S/C8H20N.H2O/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H2/q+1;/p-1 |
| PubChem CID | 6509 |
| UN Number | UN3267 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2923.90.0100 |
| Tariff Code | 2923900090 |
Safety & GHS
-
Corrosive
GHS05
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Portuguese.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 77-98-5(water)
- Ammonium, tetraethyl-, hydroxide
- ETHANAMINIUM, N,N,N-TRIETHYL-, HYDROXIDE
- Ethanaminium, N,N,N-triethyl-, hydroxide (1:1)
- Hydroxide, Tetraethylammonium
- IPC-TEA-OH
- n,n,n-triethylethanaminium hydroxide
- Tetraethylammonium hydroxide(TEAH)
- Tetraethylammonium hydroxyde
- tetraethylazanium;hydroxide
Frequently asked questions
What is tetraethylammonium hydroxide used for?
It is primarily used as a strong base in organic synthesis, particularly in elimination reactions and as a catalyst in various chemical processes.
What is the chemical formula and molecular weight?
The formula is (C2H5)4N(OH) and the molecular weight is 147.26 g/mol.
How should tetraethylammonium hydroxide be stored?
It should be stored at ambient temperature, away from light and moisture, and kept in a tightly sealed container.
What grade is available for this product?
This product is available as a 20% aqueous solution, typically used for laboratory and industrial applications.
Can Molekula supply this in bulk?
Yes, Molekula can supply tetraethylammonium hydroxide in bulk quantities—please contact our sales team for volume pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.